1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#include "SYS.h" 31 32#if defined(SYSLIBC_SCCS) && !defined(lint) 33 /* .asciz "@(#)sigprocmask.s 8.1 (Berkeley) 6/4/93" */ 34RCSID("$NetBSD: compat_sigprocmask13.S,v 1.2 2011/01/25 02:38:16 matt Exp $") 35#endif /* SYSLIBC_SCCS and not lint */ 36 37WARN_REFERENCES(sigprocmask, \ 38 "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference") 39 40ENTRY(sigprocmask, 0) 41 tstl 8(%ap) # check new sigset pointer 42 bneq 1f # if not null, indirect 43/* movl $0,8(%ap) # null mask pointer: block empty set */ 44 movl $1,4(%ap) # SIG_BLOCK 45 jbr 2f 461: movl *8(%ap),8(%ap) # indirect to new mask arg 472: chmk $ SYS_compat_13_sigprocmask13 48 jcc 3f 49 jmp CERROR+2 50 513: tstl 12(%ap) # test if old mask requested 52 beql out 53 movl %r0,*12(%ap) # store old mask 54out: 55 clrl %r0 56 ret 57END(sigprocmask) 58